update readme

Author: vulcanshen-tpi

readme.md

@@ -180,7 +180,6 @@ Contributions:
 - **[how-to-package-digirunner-using-helm](https://github.com/vulcanshen-tpi/how-to-package-digirunner-using-helm)**
   - Step-by-step guide on how to package the digirunner open source project using Helm.
   - Quickly install the example
-  - maintainer: @vulcanshen-tpi
 
 #### Connect to service